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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . PRESTWICH ON THE LOWER TERTIARY STRATA Organic remains of stratum at Maryland Point Cardium Plumsteadiense Sow Cytherea obliqua Desk Calyptrsea trochiformis LamJc Fusus Melania inqninata Defr Natica glaucinoides Sow Ostrea Bellovacina Lam Pectunculus brevirostris